<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="http://code.jquery.com/jquery-3.3.1.js"></script>
    <script src="link.js"></script>

</head>
<body>
<h1>我是主页网站</h1>
<div id="box"></div>
</body>
</html>